Depreciated skill no longer in the game

Construction Governing aptitude: Technology
Whether it's welding additional armor plates onto a hull, or putting prefab building parts together, a lot of work still gets done the old-fashioned way - by a spacesuited human being wielding power tools or controlling heavy machinery.
Upgrade per Rank +2% armor (per rank, all ships in fleet)
Hull mods Armored Weapon Mounts (1)
Insulated Engine Assembly (3)
Reinforced Bulkheads (5)
Heavy Armor (7)